Q. The smallest particle size requiring removal from the fluid stream is called ______

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Q. The total area of the filter is called effective filter media.

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Q. The elements that cause a filter to loose hydraulic capacity are referred to as ______

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Q. Straining refers to the removal of smaller particles from a fluid.

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Q. ________ is used to limit the cleaning of the screen.

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Q. The air is dissolved in water or wastewater by natural means.

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Q. The suspended particles sink to the bottom during the process.

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Q. Which of the following is not a coagulant?

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Q. What does DAF stand for?

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Q. How much time does the circular DAF need to complete the process?

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Q. How many types of DAF are present?

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Q. ________ is called ‘zero speed’.

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Q. What is the rotation time of the top bridge of DAF?

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Q. What is the tank water depth?

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Q. What does the performance of a Dissolved air floatation depend on?

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Q. What are the typical A/S ratios encountered in a Dissolved air floatation method?

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Q. Which of these pollutants is removed by Dissolved air floatation?

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Q. What portion of the Dissolved air floatation effluent is recycled?

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Q. What is dispersed air floatation used to remove?

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Q. What is the pressure supplied for a dissolved air flotation process?

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